Nelson Mandela Remains in Critical Condition

Anti-apartheid campaigner will turn 95 on July 18

South Africa says Nelson Mandela remains in critical but stable condition, while his grandson says the anti-apartheid icon remains "very much alive."

In a statement Tuesday, South African President Jacob Zuma thanked the public for its continued show of support outside of the Pretoria hospital where Mandela has remained since June 8.

Meanwhile his grandson, Ndaba Mandela, said that Mandela responds when spoken to.  He urged people to celebrate his grandfather's life ahead of his 95th birthday on July 18.